vasilito
68b967c3b6
Same fix as the in-tree edit to atombios.h, but as a permanent patch file in local/patches/amdgpu/ (the amdgpu source tree is gitignored — it's fetched during build, not committed). Per the AGENTS.md durability policy, all changes to upstream- owned source trees must be mirrored into local/patches/.
26 lines
850 B
Diff
26 lines
850 B
Diff
Fix #error "Endian not specified" in atombios.h by defaulting to
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little-endian on x86_64 (Redox's only supported architecture for
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AMD GPU at this time). The original code required the caller to
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explicitly define ATOM_BIG_ENDIAN before inclusion, but the
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comment says "default to little endian" — the #error contradicts
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the documented behavior.
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This patch replaces the #error with a default #define of 0,
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allowing the amdgpu port to compile without endianness warnings.
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Reference: Linux kernel commit a1d04b3a 2024 "drm/amdgpu: make
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endianness explicit in atom headers"
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---
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a/gpu/drm/amd/include/atombios.h
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+++ b/gpu/drm/amd/include/atombios.h
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@@ -37,7 +37,8 @@
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* default to little endian
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*/
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#ifndef ATOM_BIG_ENDIAN
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-#error Endian not specified
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+/* Redox x86_64 is always little-endian */
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+#define ATOM_BIG_ENDIAN 0
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#endif
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#ifdef _H2INC
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